<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>浏览器的历史纪录</title>
</head>
<body>
    <button id="back">后退</button>
    <script>
        back.onclick = function(){
            history.back();
        }
    </script>
</body>
</html>